@charset "utf-8";

html ,body {

    height: 100%;

    margin: 0px;

    font-size: 18px;

}

#title {

    background-color: aqua;

    width: 100%;

    height: 80px;

    overflow: hidden;

    position: fixed;    /* 不随滚动条移动 */

    top: 0px;

    z-index: 1000;

}

#title img{

    height: 40px;

    width: 40px;

    border-radius: 50%;

    position: absolute;

    top: 20px;

    right: 20px;

}

#content {

    height: 100%;

    background-color: cornflowerblue;

    width:calc(100% - 120px);

    position: absolute;

    left: 120px;

}

